Add 9/18 and 25/12
1st number: 9/18, 2nd number: 2 1/12
9/18 + 25/12 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
9/18 = 9 × 2/18 × 2 = 18/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
25/12 = 25 × 3/12 × 3 = 75/36 - Add the two like fractions:
18/36 + 75/36 = 18 + 75/36 = 93/36 - 93/36 simplified gives 31/12
- So, 9/18 + 25/12 = 31/12
In mixed form: 27/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+50/12 9/36+25/12 9/18+25/24 27/18+25/12 9/18+75/12 9/54+25/12 9/18+25/36 45/18+25/12 9/90+25/12 9/18+25/60 63/18+25/12 9/18+25/84